Home / 5,699.22-7,865.19-3,181.26

Finding the Fourth Proportional to 5,699.22, 7,865.19 and 3,181.26

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Solution

The fourth proportional to 5,699.22, 7,865.19 and 3,181.26 is: 4,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.22 : 7,865.19 = 3,181.26 : x
  2. Step 2: Convert to fraction form
    5,699.22/7,865.19 = 3,181.26/x
  3. Step 3: Cross multiply
    5,699.22x = 7,865.19 × 3,181.26
  4. Step 4: Simplify right side
    5,699.22x = 25,021,214.34
  5. Step 5: Solve for x
    x = 25,021,214.34/5,699.22
  6. Step 6: Final answer
    x = 4,390.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.